Oracle SQL Developer Command Line (SQLcl) is a free command line interface for Oracle Database. It allows you to interactively or batch execute SQL and PL/SQL. SQLcl provides in-line editing, statement completion, and command recall for a feature-rich experience, all while also supporting your previously written SQL*Plus scripts.

https://www.oracle.com/database/sqldeveloper/technologies/sqlcl/

Downloads
https://www.oracle.com/database/sqldeveloper/technologies/sqlcl/download/

Latest version update
https://download.oracle.com/otn_software/java/sqldeveloper/sqlcl-latest.zip